Only HDL cholesterol
levels can be measured in non fasting state.
For rest of lipid profile
,one should be in fasting state.
So please get your lipid profile in fasting state for accurate estimation of triglycerides level.
You should have your triglyceride levels below 150.
For reduction of triglycerides
You must maintain your weight in healthy limits
Reduce sugar and fats in your diet
Stop colas and alcohol
Control of diabetes
Consume more green vegetables and fresh fruits.
I hope it helps.